FL3500多功能叶绿素荧光�?参数-价格-中国粉体罐�/title>

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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> FL3500多功能叶绿素荧光�?/span>FL3500多功能叶绿素荧光仪是专门用于对蓝绿藻或绿藻等微藻，叶绿体或类囊体悬浮物，乃至叶片进行光合作用研究的强大科研工具。仪器具备双通道测量控制，可控制测量样品的温度，并配备单翻转光（STF），内置多种可用户自行修改的测量程序，可进行目前国际上对于叶绿素荧光的各种深入机理研究、�/span>其核心结构是包含了一个悬浮液标准样品杯的光学测量头，内置3练�/span>LED光源咋�/span>1�?/span>500 kHz/16佌�/span> AD 转换皃�/span>PIN二极管信号检测器、�/span>AD转换的增益和�?/span>分时间可以通过软件控制。检测器测量叶绿素荧光信号的时间分辨率可高达4 ��s（快速版丹�/span>1��s）。系统配置的光合放氧测量模块，使其可以对放氧复合物的状态转换做更深入研究、�/span>FL3500多功能叶绿素荧光仪配备有4种测量室：标准版、快速版、叶夹版、水下版。主机为双通道设计，可同时连接任意两种测量室，大大扩展了叶绿素荧光测量的应用范围，可以对任何类型的植物样品进行叶绿素荧光测量、�/span>应用领域９�/span>�� 植物光合特性和代谢紊乱筛逈�/span>�� 生物和非生物胁迫的检浊�/span>�� 植物抗胁迫能力或者易感性研穵�/span>�� 代谢混乱研究�� 光合系统工作机理研究�� 受胁迫植物光合生理应对策略研穵�/span>典型样品９�/span>�� 蓝藻（蓝细菌（�/span>�� 绿藻�� 叶绿体悬浮物�� 类囊体悬浮物�� 植物碎片功能特点９�/span>�� 具备双通道测量控制，可以与各种测量单元如标准版、快速版、叶夹式及水下测量头等配合使用，各版本的测量头可互换使用�� 内置多种可用户自行修改的测量程序，涵盖目前国际上对于叶绿素荧光的各种一般性研究和深入机理研究�� 配备单翻转光＇�/span>STF），可进衋�/span>QA‒�/span>再氧化动力学�?/span>S状态转换等光合机理研究�� 配备高灵敏度检测器，可进行OJIP快速荧光动力学分析�� 可控制测量样品的温度并进行磁力搅拋�/span>技术参数：�� 实验程序：叶绿素荧光诱导测量：�/span>PAM（脉冲调制）测量：�/span>OJIP快速荧光动力学测量：�/span>QA‒�/span>再氧化动力学：�/span>S状态转换；叶绿素荧光淬�?/span><ul><li>荧光参数９�/span>F0＋�/span>Fm＋�/span>Fv＋�/span>F0‘�span>＋�/span>Fm‘�span>＋�/span>Fv‘�span>＋�/span>QY(II)＋�/span>NPQ＋�/span>��PSII＋�/span>Fv/Fm＋�/span>Fv�?Fm‘�span>＋�/span>Rfd＋�/span>qN＋�/span>qP＋�/span>ETR筈�/span>50多项叶绿素荧光参数与图像＋�/span>OJIP曲线不�/span>F0�?/span>FJ�?/span>Fi�?/span>Fm�?/span>Fv�?/span>VJ�?/span>Vi�?/span>Fm / F0�?/span>Fv / F0�?/span>Fv / Fm�?/span>M0�?/span>Area�?/span>Fix Area�?/span>SM�?/span>SS�?/span>N�?/span>Phi_P0�?/span>Psi_0�?/span>Phi_E0�?/span>Phi_D0�?/span>Phi_Pav�?/span>ABS / RC�?/span>TR0 / RC�?/span>ET0 / RC�?/span>DI0 / RC筈�/span>20多项相关参数</li></ul>�� 时间分辨率（采样频率）：高灵敏度检测器，时间分辨率辽�/span>4��s（快速版丹�/span>1��s（�/span>�� 控制单元：双通道通用高度精确性自动微处理器，可以与各种测量单元如标准版、快速版、叶夹式及水下测量头等配合使用（无需另行购买控制单元（�/span>�� 测量单元类型：可选择在一台主机上配备两种测量单元同时工作，推荐叶夹版+标准片�/span>/快速版或叶夹版+水下片�/span>1.标准片�/span>2.快速版９�/span>时间分辨率在标准版的基础上提高到1 ��s，可精确捕捉和描绘快速荧光瞬变过程，使得运用PAM技术对OIJP曲线和光闪荧光诱导的快速动力学测量更加准确高效，能够更好的计算各种相关参数、�/span>3.叶夹片�/span>专用的叶夹式测量单元，测量区域直径为12.7mm(0.5 inch)。叶夹式测量单元可以无损地夹持叶片进行测量，而且不会使叶片脱离其原来的微环境。全部所需的光源与检测器都内置在测量单元进行直接测量，避免了一般的荧光仪使用光纤造成检测光信号的衰减、�/span>4.水下片�/span>设计用来直接在水下测量诸如水下植物，珊瑚或者海藻等样品的叶绿素荧光。专用的水下探头配有用于水下操作的特殊支架，**测量深度为水上�/span>1m、�/span>�� 测量光闪：标准为波长617nm的橙光或455nm的蓝光，光闪时间2‒�/span>5��s�� 单翻转饱和光闪：标准光源丹�/span>630nm的红光，光闪时间20‒�/span>50��s�� 持续光化学光：标准为630nm的红光或455nm的蓝光，**光强2500 ��mol(photons)/m2.s：�/span>�� 远红外光源（选配）：用于激发光系统I，波镾�/span>735nm�� 氧电极（选配）：测量藻类的氧气释攽�/span>�� 每组lED光源强度和时间可通关软件调控，同时光源可根据研究要求选配�� 温度控制９�/span>TR 2000温度调节器，控温范围0‒�/span>70ℂ�/span>，精确度0.1ℂ�/span>�� 电磁搅拌９�/span>8mm��3mm标准磁力棑�/span>�� 样品试管：底面积10��10mm，容�?/span>4ml�� AD转换器：试管式为500 kHz/16‒�/span>bit�� FluorWin软件：定义或创建实验方案、光源控制设置、数据输出、分析处理和图表显示典型应用：荧光诱导过程分枏�/span>产地：捷兊�/span>参考文献：�� Functioning of the Bidirectional Hydrogenase in Different Unicellular Cyanobacteria� �� Kiss� et al� 2013. Research for Food� Fuel and the Future�� Excess Ca2+does not alleviate but increases the toxicity of Hg2+ to photosystem II in Synechocystis sp.(Cyanophyta)� D Zhang� et al� 2013. Ecotoxicology and environmental safety�� Inhibition of the Water Oxidizing Complex of Photosystem II and the Reoxidation of the Quinone Acceptor QA? by Pb2+� A Belatik� et al� 2013. PloS one�� Destabilization of the Oxygen Evolving Complex of Photosystem II by Al3+� I Hasni� et al� 2013. Photochemistry and Photobiology�� Effects of Sb (V) on growth and chlorophyll fluorescence of Microcystis aeruginosa (FACHB�?05)，S Wang� et al� 2012. Current Microbiology�� Correlations between the temperature dependence of chlorophyll fluorescence and the fluidity of thylakoid membranes� A Tovuu� et al� 2012. Physiologia Plantarum�� Developmental Defects in Mutants of the PsbP Domain Protein5 inArabidopsis thaliana. JL Roose� et al� 2011. PloS one�� Inhibition of photosystems I and II activities in salt stress–exposed Fenugreek (Trigonella foenum graecum). M Zaghdoudi� et al� 2011. Journal of Photochemistry and Photobiology B: Biology�� Productivity correlated to photobiochemical performance of Chlorella mass cultures grown outdoors in thin–layer cascades. J Masoj��dek� et al� 2011. Journal of Industrial Microbiology & Biotechnology�� Binding Stoichiometry and Affinity of the Manganese–Stabilizing Protein Affects Redox Reactions on the Oxidizing Side of Photosystem II. JL Roose� et al� 2011. 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